Bottled vs. Tap in 1906
The Water and Drainage History of Philadelphia: A seven-part course
Half a Century of Clean Water: The Clean Water Act, 1972-2022
Bacteria in Delaware River, Torresdale Filters, 1913
Pipes, pumping stations, interceptors or intercepting sewers, outfalls, separate and combined sewers, sewage treatment plants, and any other infrastructure related to the collection and treatment of sewage from homes and businesses.